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Satellite Earth Stations and Systems (TC SES)

Explore the work and responsibilities of the Technical Committee for Satellite Earth Stations and Systems in standardizing satellite communication services, earth station equipment, and protocols. Learn about specific work groups and the harmonization efforts for various systems.<br>

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Satellite Earth Stations and Systems (TC SES)

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  1. GRSC4(06)10 Satellite Earth Stations and Systems(TC SES) presenter Bob Hanson

  2. Contents • TC SES Terms of Reference • TC SES Working Groups • Harmonized Standard Working Groups • Specific System Working Groups • External Liaisons • Future Activity

  3. Terms of Reference for Technical Committee for Satellite Earth Stations and Systems(TC SES) • Responsibility • the “Home” in ETSI for Satellite Earth Stations and Systems standardization • The scope includes • All types of satellite communication services and applications (including mobile and broadcasting), • All types of earth stations and earth station equipment, especially the radio frequency interfaces and network and/or user interfaces, • Protocols implemented in earth stations and satellite systems • Responsibility outside ETSI Primary Committee for co-ordinating the position of ETSI with relevant ITU Study Groups.

  4. Harmonised Standard Working Groups • Working groups dealing with Harmonized standards (R&TTE Directive): • Earth stations on board vessels and trains (MAR ESV) • Harmonisation (HARM) • Working groups dealing with specific systems • Broadband Satellite Multimedia (BSM) • GEO Mobile Radio Interface (GMR) • Satellite Component of IMT 2000 (S-UMTS) • Satellite Digital Radio (SDR) • other Working group • European Commission activity support (ECAS)

  5. WG Earth Stations on board Vessels and Trains MAR ESV (1) Responsibility of the WG is to produce Harmonised Standards for all type of Earth Stations installed on ship or vessel (ESV), as well as on trains (EST) operating in FSS frequencies Operational Services • Enterprise Data • Lan/Wan Capabilities • Remote Equipment Monitoring • Purchasing/Inventory • Distance Learning/Training • Customs Clearance Passenger Communications • Voice Services • Internet Access • Video Broadcast • ATM Services • Global Newspaper Delivery • Cellular Services

  6. WG Earth Stations on board Vessels and Trains MAR ESV (2) • The WG has prepared candidate Harmonised Standards for Ku-band & C-Band ESVs • present status: • Harmonised Standard EN 302 340, • requirements for protection of FS & FSS in Ku-band • approved • Harmonised Standard EN 301 843 part 6 (with TC ERM) • requirements for EMC in maritime environment for ESVs • approved • Harmonised Standard EN 301 447 • requirements for protection of FS & FSS in C-band • public enquiry – closes 2 June 2006

  7. WG Earth Stations on board Vessels and Trains MAR ESV (3) • Test systems are in operation in several European countries – a harmonised EN is necessary. • Work begun in June, 2005, and draft EN should be completed by June, 2006 and submitted to TC SES for approval. EN 302 448 Satellite Earth Stations on Trains

  8. Working Group HarmonisationHARM (1) Responsible for: Maintenance of Harmonised Standards under the R&TTE Directive (99/5 EC). On-going activities: • EN 301 447 Harmonized EN for satellite Earth Stations on board Vessels (ESVs) operating in the 4/6 GHz frequency bands allocated to the Fixed Satellite Service (FSS) covering essential requirements under article 3.2 of the R&TTE directive • EN 302 448Harmonised EN for tracking Earth Stations on Trains (ESTs) operating in the 14/12 GHz frequency bands covering essential requirements under article 3.2 of the R&TTE directive

  9. Working Group HarmonisationHARM (2) Other SES Harmonized Standards under the R&TTE Directive (99/5 EC): • EN 301 428 VSAT (Very Small Aperture Terminal) Ku-band satellite earth stations operating in the 11/12/14 GHz frequency bands • EN 301 459 SIT/SUT Ka-band for Satellite Interactive Terminals (SIT) and Satellite User Terminals (SUT) transmitting towards satellites in geo-stationary orbit in the 29.5 to 30.0 GHz frequency bands • EN 301 360 Satellite Interactive Terminals (SIT) and Satellite User Terminals (SUT) transmitting towards geostationary satellites in the 27.5 GHz to 29.5 GHz frequency bands • EN 301 443 Very Small Aperture Terminal (VSAT); transmit-only, transmit-and-receive, receive-only satellite earth stations operating in the 4 GHz and 6 GHz frequency bands • EN 301 430 Satellite News Gathering Transportable Earth Stations (SNG TES) operating in the 11-12/13-14 GHz frequency bands • EN 301 444 Land Mobile Earth Stations (LMES) operating in the 1.5 GHz and 1.6 GHz bands providing voice and/or data communications • EN 301 426 Low data rate Land Mobile satellite Earth Stations (LMES) and Maritime Mobile satellite Earth Stations (MMES) not intended for distress and safety communications operating in the 1.5/1.6 GHz frequency bands

  10. Working Group HarmonisationHARM (3) Harmonised ENs for Mobile Earth Stations (MES): • EN 301 681MES for Geostationary mobile satellite systems, including handheld earth stations, for Satellite Personal Communications Networks (S-PCN) in the 1.5/1.6 GHz bands under the Mobile Satellite Service (MSS) • EN 301 721MES providing Low Bit Rate Data Communications (LBRDC) using Low Earth Orbiting (LEO) satellites operating below 1 GHz • EN 301 441MES including handheld earth stations, for Satellite Personal Communications Networks (S-PCN) in the 1.6/2.4 GHz bands under the Mobile Satellite Service (MSS) • EN 301 442MES including handheld earth stations, for Satellite Personal Communications Networks (S-PCN) in the 2.0 GHz bands under the Mobile Satellite Service (MSS) • EN 301 427 Low data rate MES except aeronautical mobile satellite earth stations, operating in the 11/12/14 GHz frequency bands

  11. WG on Broadband Satellite Multimedia BSM (1) • To produce specifications, standards and other ETSI deliverables for broadband satellite multimedia. This includes: • Definition of satellite system architectures supporting broadband services • Service requirements and descriptions for broadband communications systems • Definition of network architectures and interface protocols leading to air interface standards, interworking standards and other user terminal specifications • To liaise with relevant other standardization bodies (e.g. TIA, ITU) on satellite matters

  12. WG on Broadband Satellite Multimedia BSM (2) SI-SAP and IP Interworking End System BSM Satellite Network Premises Network Interworking End System Interworking End System ST/A ST/G Satellite Core Network Premises Network End System ST/A Payload End System ST/A End System ST/G Premises Network End System ST/Gateway ST/Access End System End System TCP/IP services IPInterworking IPInterworking External Bearer Service ExternalBearer Service BSM Bearer Services SI-SAP SI-SAP

  13. WG on Broadband Satellite Multimedia BSM (3) BSM Overview • WG BSM has the following focus: • GSO satellites • Fixed satellite terminals • Access Networks • Internet Protocol • Work items organised using the BSM architecture: • Satellite Independent upper layer specifications • IP interworking specifications; dealing with QoS, Addressing, Multicast, Security etc. • Satellite Dependent families of lower layer specifications • Air interfaces and profiles for Transparent Satellite Star (TSS) and Regenerative Satellite Mesh (RSM) systems • Satellite Independent interface (SI-SAP) • Common interface between upper and lower layers

  14. WG on Broadband Satellite Multimedia BSM (4) BSM Architecture • The BSM architecture divides the air interface into 2 parts • Satellite independent upper layers • Satellite dependent lower layers • Satellite Independent Service Access Point (SI-SAP) defined as the interface between the upper and lower layers • An abstract functional interface • Applicable to all satellite networks • The upper layers contain a set of common BSM defined IP interworking functions • Define Satellite Independent Adaptation Functions (SIAF) • Common ways of handling Quality of Service (QoS); Addressing; Multicast and Security etc. • The lower layers contain the satellite specific functions • The lower layers are closely tied to the payload capability of the satellite and hence cannot be the same in all cases • The SI-SAP supports multiple air interface families

  15. IP Interworking standards # 1 (TS completed) WG on Broadband Satellite Multimedia BSM (5) • SI-SAP specification [TS 102 357; TR 102 353] • First release giving functional organisation of SI-SAP • TR provides SI-SAP guidelines • BSM functional architecture [TS 102 292] • Generic functional architecture • Defines the SI-SAP and the associated adaptation functions for IP interworking • BSM multicast functional architecture [TS 102 294] • Satellite specific functions for multicast services • IGMP adaptation [TS 102 293] • Adaptation of IGMP messages • Can be combined with IGMP proxies and snooping • BSM Traffic Classes [TS 102 295] • Common Traffic classes for IP interworking

  16. ETSI/SES-BSM Liaisons with other bodies WG on Broadband Satellite Multimedia BSM (6) • TIA 34.1 • Joint publication of air interface families • Contributions on IP interworking • ITU-R WP 4B • Collaboration on use of BSM architecture • ITU-T SG13 (WP2/13; Q10/13) • Liaison on Y.SatIP series recommendations • IETF • Collaboration with ipdvb WG • SatLabs • Collaboration with SatLabs DVB-RCS working groups

  17. Working Group on Geo Mobile RadioGMR (1) • Geo-Mobile Radio (GMR) is a satellite-based extension of the GSM terrestrial cellular standard • The GMR air interface specifications describe requirements to support a mobile satellite service via geostationary earth orbit satellites • Document structure based on GSM specifications

  18. Working Group on Geo Mobile RadioGMR (2) The GMR specifications are organized into two releases • Release 1 specifications (Version V1.x.x) • Defines the GMR circuit mode services, which are based on the GSM phase 2 circuit mode services. • published jointly in ETSI (TC SES) and in TIA (TR 34.1) • Release 2 specifications (Version V2.x.x) • Defines the GMR packet mode services (GMPRS) which are based on the GSM phase 2+ packet mode services (GPRS) • Release 1 and Release 2 coexist (2 parallel versions) • Separate maintenance updates for Release 1 and Release 2

  19. Extension to Satellite Evolution Path Working Group on Geo Mobile RadioGMR (3) • GMR Release 1- based on GSM Phase 2 • Voice • Data up to 9.6 kbps • SMS, cell broadcast • Position-based services • Single hopped TtT calls • GMR Release 2 (GMPRS)-based on GSM Phase 2+ (GPRS) • Packet data to 144 kbps • GSM (Phase 2) • Voice • Data up to 9.6 kbps • SMS, cell broadcast • GSM/GPRS (Phase 2+) • Packet data to 160 kbps • GSM/EDGE (Extended GPRS) • Packet data to 384 kbps

  20. Working Group on Geo Mobile RadioGMR (4) • GMR-1 publication history • Release 1: GMR-1 V1.1.1 – Published March 2001 • 2 Maintenance updates: • GMR-1 V1.2.1 – Published March 2002 • GMR-1 V1.3.1 – Published February 2005 • Release 2: GMPRS-1 V2.1.1 – Published March 2003 • 1 Enhancement and maintenance update: • GMPRS-1 V2.2.1 – Published March 2005 • GMR-2 publication history • Release 1: GMR-2 V1.1.1 – Published March 2001

  21. Working Group S-UMTS/IMT2000 S-UMTS(1) • New Activities have been launched • New release of specification of S-UMTS Air Interface • 6 new Work Items • Detailed specification of SDMB • 6 Work Items • Technical report on OFDM waveform for SDMB • One work Item • Harmonisation of SW CDMA, SAT CDMA and WCDMA Satellite Radio Interface • This WI has been reactivated • Collaboration with ETRI • Several meetings to be held in 2006

  22. Working Group S-UMTS/IMT2000S-UMTS (2) • Current topics • Study for Satellite UMTS (S-UMTS) Terminals in the 2.0 GHz bands under the Mobile Satellite Service (MSS) • Based on EN 301 908-1/2 :Electromagnetic compatibility and Radio spectrum Matters (ERM); Base Stations (BS), Repeaters and User Equipment (UE) for IMT-2000 Third-Generation cellular networks • DEN/SES-00283 Satellite Component of UMTS/IMT-2000; Harmonized standard for Satellite earth Station for UMTS; • Part 1: Intermediate Module Repeater (IMR) operating in the 1 980 MHz to 2 010 MHz (earth-to-space) and 2 170 MHz to 2 200 MHz (space-to-earth) frequency bands • Part 2: User Equipment (UE) operating in the 2170 to 2200 MHz (space-to-earth) and 1980 to 2010 MHz (earth-to-space) frequency bands • Proposed schedule • TC SES Approval in 2006 Details on activity

  23. Working Group Satellite Digital Radio SDR • SDR: • Satellite broadcast to fixed and mobile receivers • mainly for audio • with or without terrestrial repeater network • Started work in December 2004 • Work items: • Technical Report on SDR technologiesApproved, under publication process • Technical Specifications for the physical layer of the radio interface (air interface) of SDR broadcast receiversWork started, completion by 28 September 2006 • Technical Specification for the complete radio interface (air interface) of SDR broadcast receiversFuture work • Members participating: Operators, CE manufacturers, satellite manufacturers • Cooperation with SSP WG (Satellite Services to Portables) in the DVB forum

  24. Working Group Satellite Emergency CommunicationsSEC • A new working group has been recently created to assess potential new standardization work dealing with satellite usage during emergency situations

  25. European Commission Activity support in standardization ECAS • This work group is dedicated to support ESA standardization work in particular related to the Galileo satellite navigation project

  26. ECAS WG The Galileo Navigation System • Galileo is an initiative of the European Space Agency (ESA) and the European Commission (EC) • Galileo will provide localisation and time information as free services and certified position and time stamping services on subscription basis • These services are candidates for maritime, aeronautical and road/rail/traveller applications • the introduction of Galileo allied with GSM or UMTS will provide the market with combined communication and position determination

  27. ECAS WGGalileoApplications • Transport: Aviation; Rail; Roads; Maritime; Public Transport • Telecommunications: Network Timing; Mobile Unit Location • Energy, The Environment & Science • Civil Engineering: Facilities Location; Positioning • Safety & Civil Protection • Finance & Insurance • Agriculture & Fisheries • People with disabilities • Leisure

  28. Galileo-GPS co-operation • users will be able to use Galileo and US GPS in a complementary way by receiving signals from both systems with the same receiver • US and EC agreed to adopt a common signal for certain services and to preserve national security capabilities • The Galileo project is expected to be operational around 2010

  29. ETSI Standards for Galileo… • Need for an Open Standard for Galileo identified • Talks with Galileo Joint Undertaking (GJU) have been engaged • Basis for contribution to ICAO, Eurocae for Aeronautical applications • results of working groups responsible for the design of the Galileo system and user equipment are taken into account • Development of an Open Standard through ETSI Expertise and Publications • Approach based on annual Releases, in progression with the definition of the system design

  30. TC-SES liaisons with external bodies • ITU R WP 4B (FSS) • ITU R WP 8D (MSS) • ITU R WP 8F (IMT2000) • ITU T SG 13 (QoS) • Eurocae (Aeronautical) • TIA TR 34.1.1 (BSM) • ITU ICG SAT (Satellite) • ASMS TF (S-UMTS)

  31. CONCLUSION • TC SES is the focal point in Europe for activity covering satellite standardisation • TC SES activities cover all aspects of standardisation of satellite systems • TC SES stands ready to prepare an Open Standard for the Galileo Navigation System and to be involved in standardisation in the field of satellite use during emergency situations

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